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The MUELLER STREAMLINE COTRED22112 is a copper reducing tee fitting designed for use in continuous pressure piping systems. It connects an inline run while branching out to a reduced outlet, allowing directional flow changes in a single fitting. The tee uses solder cup (sweat) end connections and is rated to 700 psi. Manufactured from ASTM B75 Alloy C12200 phosphorus-deoxidized copper, this fitting is lead-free and dezincification resistant. It is third-party certified to NSF/ANSI 61 Annex G and meets ASME B16.22, MSS SP-104, and MSS SP-109 standards. Licensed plumbers and pipefitters install this fitting in residential, commercial, and medical gas applications.
The COTRED22112 is suited for potable water, hydronic, and medical gas piping installations where a reducing branch connection is required. Its certifications under NFPA 99 Health Care Facilities Gas and Vacuum Systems and Compressed Gas Association Pamphlet G4.1 make it appropriate for medical gas distribution systems. The 2 x 2 x 1-1/2 inch configuration fits a wide range of branch-reduction scenarios in both new construction and retrofit plumbing projects. Domestic manufacture supports consistent alloy quality and dimensional compliance.
Designed as an OEM-style solder-cup copper reducing tee for 2 x 2 x 1-1/2 inch nominal copper pipe systems in potable water, hydronic, and medical gas piping applications.
Installation should be performed by a licensed plumber or pipefitter in accordance with the IPC, local plumbing codes, and NFPA 99 where medical gas work is involved. Shut off and depressurize the system and drain all fluid before cutting into the existing line. Clean and flux all mating pipe ends before soldering; use a lead-free solder appropriate for the service type. Allow the joint to cool completely before restoring system pressure.
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